Kinematics

A dog basks in the sun when he sees a squirrel and bolts after it. If the dog accelerates at +1.6 m/s/s, how far does he run in 3 seconds?

• 4.8 meters

• 45 meters

• 1.6 meters

• 7.2 meters

A golf ball is dropped from the top of the bleachers 11 meters from the ground. Determine the final speed of the ball just before it hits the ground.

• 6 m/s

• 9 m/s

• 12 m/s

• 15 m/s

On a mysterious orb in a distant galaxy, some alien creatures conduct an experiment to verify the value of "g" on their planet. They drop a rock from the ceiling 2.7 meters high and record the time it takes to hit the ground to be 0.61 seconds. Find the value of "g"

• 7.3 m/s/s

• 14.5 m/s/s

• 9.8 m/s/s

• 11.8 m/s/s

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

A change in velocity over time is known as:

• acceleration
• constant speed
• average speed
• displacement

How do you calculate average speed?

• divide total time by total distance
• multiply total time by total distance
• divide total distance by total time
• subtract total time from total distance

The unit we use to measure acceleration is ___. 

• meters / second 
• meters 
• seconds 
• meters / second / second 

When a car rounds a corner at a constant speed, its acceleration is zero.

• true
• false

The rate at which distance is covered is called speed.

• True
• False